Inflammatory Bowel Disease Causes. The causes of IBD are complex and not fully understood. Whether the immune system's attack on the digestive tract is autoimmune or aimed at bacteria or other ...

Colitis is similar in terms of symptoms and treatment, but one key difference is that it only affects the large intestine, whereas Crohn's can affect any part of the digestive tract.

Friedman S et al. (2008) Screening and surveillance colonoscopy in chronic Crohn's colitis: results of a surveillance program spanning 25 years. Clin Gastroenterol Hepatol 6: 993–998. Article ...